Infinix Zero 4 vs LG Optimus Z

Compare recorded specifications, size and practical differences.

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Weight

    Optimus Z: 32.5 g lighter

    Zero 4:
    167.5 g
    Optimus Z:
    135 g
  • Width

    Optimus Z: 19.1 mm narrower

    Zero 4:
    76 mm
    Optimus Z:
    56.9 mm
  • Screen diagonal

    Optimus Z: 2 in smaller diagonal

    Zero 4:
    5.5 in
    Optimus Z:
    3.5 in
  • Chipset

    Zero 4:
    Mediatek MT6753 (28 nm)
    Optimus Z:
    Qualcomm QSD8250 Snapdragon S1
  • Depth

    Zero 4: 3.2 mm thinner

    Zero 4:
    7.8 mm
    Optimus Z:
    11 mm
  • Height

    Optimus Z: 33.6 mm shorter

    Zero 4:
    151.5 mm
    Optimus Z:
    117.9 mm

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

  1. 1. Zero 4

    Height:
    151.5 mm +33.6 mm versus Optimus Z
    Width:
    76 mm +19.1 mm versus Optimus Z
    Depth:
    7.8 mm
  2. 2. Optimus Z

    Height:
    117.9 mm
    Width:
    56.9 mm
    Depth:
    11 mm +3.2 mm versus Zero 4

Weight

Bars start at zero and share a scale within this chart.

  1. 1. Zero 4

    167.5 g

    +32.5 g versus Optimus Z

  2. 2. Optimus Z

    135 g

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. Zero 4

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Optimus Z

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    37.9 cm²

Zero 4 has approximately 119.8% more rectangular screen area than Optimus Z.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for Zero 4, Optimus Z, compared at the same storage capacity.
StorageZero 4Optimus Z
32 GB 3 GB RAM Unknown

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Zero 4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (dedicated slot)

2. Optimus Z

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 4 GB included

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. Zero 4

    3200 mAh

    +1850 mAh versus Optimus Z

  2. 2. Optimus Z

    1350 mAh

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. Zero 42. Optimus Z

Everyday essentials
Everyday essentials — specifications for Zero 4, Optimus Z.
SpecificationZero 4Optimus Z
Dimensions (HxWxD)
  • 151.5 Х 76 Х 7.8 mm
  • 117.9 Х 56.9 Х 11 mm
Weight
  • 167.5 g
  • 135 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 3.5" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 640 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
Unknown
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 4 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 3200 mAh
  • Non-removable Li-Ion
  • 1350 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 2.1 (Eclair)
  • upgradable to 2.2 (Froyo)
Chipset
  • Mediatek MT6753 (28 nm)
  • Qualcomm QSD8250 Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zero 4, Optimus Z.
SpecificationZero 4Optimus Z
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 83.4 cm2
  • 37.9 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 72.4%
  • 56.5%
PPI /points per inch/
  • 401 PPI
  • 229 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for Zero 4, Optimus Z.
SpecificationZero 4Optimus Z
Rear camera, main
  • 16 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 16 MP
  • f/2.0
  • OIS
  • Laser AF/ PDAF
  • 5 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • 1080p@30fps
  • 720p
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • f/2.2
Unknown
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Zero 4, Optimus Z.
SpecificationZero 4Optimus Z
Processor CPU
  • Octa-core 1.3 GHz Cortex-A53
  • 1.0 GHz Scorpion
Graphics processor GPU
  • Mali-T720MP3
  • Adreno 200
Antutu 7 score *
  • 22135
Unknown
GeekBench 4 Single Core *
  • 632
Unknown
GeekBench 4 Multi-Core *
  • 2913
Unknown
GeekBench 5 Single Core *
  • 110
Unknown
GeekBench 5 Multi-Core *
  • 418
Unknown
General specs
General specs — specifications for Zero 4, Optimus Z.
SpecificationZero 4Optimus Z
Release date
  • 2017
  • March
  • 2010
  • April
Colors
  • Anthracite Grey
  • Champagne Gold
  • Barbie Pink
  • Filber Brown
  • Black
  • White
  • Pink
Battery life Unknown
  • Stand by time- Up to 200 h Talking time- Up to 4 h 10 min
Communication and Connectivity
Communication and Connectivity — specifications for Zero 4, Optimus Z.
SpecificationZero 4Optimus Z
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 HSDPA 850 / 1700 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300) LTE band 2(1900)
  • 4(1700/2100)
  • 28(700)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
  • DLNA
  • hotspot (Android 2.2)
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • LE
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for Zero 4, Optimus Z.
SpecificationZero 4Optimus Z
Radio
  • FM radio
  • No
Others Unknown
  • Dolby Mobile
Other features
Other features — specifications for Zero 4, Optimus Z.
SpecificationZero 4Optimus Z
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity
  • compass - On-screen-phone function -Drag & Shake file sharing -TV Tuner (T-DMB) -HDMI port -MP3/WMA/AAC player -DivX/MP4/H.263 player -Organizer -Document viewer -Voice memo -Predictive text input - For South Korea Also known as LG KU9500
  • LG SU950